consulate in benghazi, libya left four americans dead including ambassador chris stevens. libyan authorities reported that they have made some arrests. >> i saw those press reports before i came down. i was not able to confirm them, but obviously it would be a good thing if we're starting to move forward on the just tess piece. >> reporter: the fbi open -- justice piece. >> reporter: the fbi opened the investigation to sort out whether this was a protest that got out of hand or an organized terrorist attack. a government source says the fbi is sending investigators to germany to interview personnel who evacuated the consulate in libya. at the state department danielle nottingham. lesli, back to you. >>> three americans injured in the benghazi attack are being treated at a u.s. military hospital in germany. the remains of ambassador stevens and the three others killed with him will arrive back in the u.s. tomorrow. >>> both sides in the presidential race campaigning today in the battle ground state of virginia. you are looking live at mary washington university where the fi